CN215288224U - Double-flow-direction reverse osmosis system - Google Patents
Double-flow-direction reverse osmosis system Download PDFInfo
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- CN215288224U CN215288224U CN202121290097.6U CN202121290097U CN215288224U CN 215288224 U CN215288224 U CN 215288224U CN 202121290097 U CN202121290097 U CN 202121290097U CN 215288224 U CN215288224 U CN 215288224U
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Abstract
The utility model relates to the technical field of zero discharge of sewage treatment, in particular to a double-flow-direction reverse osmosis system; one end and the main inlet tube intercommunication of first water inlet branch pipe, the other end and the first reverse osmosis module intercommunication of first water inlet branch pipe, the one end and the first reverse osmosis module intercommunication of second water inlet branch pipe, the other end and the second reverse osmosis module intercommunication of second water inlet branch pipe, the one end and the first reverse osmosis module intercommunication of first product branch pipe, the one end and the first reverse osmosis module intercommunication of third water inlet branch pipe, the other end and the fourth water inlet branch pipe intercommunication of third water inlet branch pipe, the one end and the second reverse osmosis module intercommunication of fourth water inlet branch pipe, the other end and the third reverse osmosis module intercommunication of fourth water inlet branch pipe, the one end and the third reverse osmosis module intercommunication of third product branch pipe, realize improving reverse osmosis membrane's the water yield.
Description
Technical Field
The utility model relates to a sewage treatment zero release technical field especially relates to a double flow is to reverse osmosis system.
Background
Since 1960 s engineering application, reverse osmosis membrane technology has gradually developed and matured and widely applied in the field of brackish water and seawater desalination. In recent years, with the continuous development of sewage recycling and zero emission technologies, membrane technologies are also being developed and updated to meet process requirements. The key link of the zero emission technology lies in desalination and a pretreatment process thereof, the desalination process usually adopts reverse osmosis, electrodialysis, evaporative crystallization, forward osmosis and the like, the reverse osmosis is mainly applied in engineering, and the most common problems of the reverse osmosis membrane in the actual operation process are membrane pollution which has three major sources, suspended matters and colloid pollution blockage, biological pollution blockage and chemical scaling.
At present, reverse osmosis membrane technology in engineering mostly adopts two-section type or three-section type, and due to reasons such as scaling, after the reverse osmosis membrane runs for a period of time, the scaling and blockage of the membrane of the second section or the third section are more serious than that of the first section, which shows that the water yield of the membrane of the first section is too high, and the water yield of the second section or the second section is too low, so that the working condition of the whole system is unbalanced, and the water yield of the whole system is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double flow is to reverse osmosis system, aim at solving the technical problem that the water yield of the reverse osmosis membrane among the prior art is low.
In order to achieve the above object, the present invention provides a dual flow direction reverse osmosis system, which comprises a main water inlet pipe, a first reverse osmosis module, a first water inlet branch pipe, a second water inlet branch pipe, a first water producing branch pipe, a second reverse osmosis module, a third water inlet branch pipe, a fourth water inlet branch pipe, a second water producing branch pipe, a third reverse osmosis module, a fifth water inlet branch pipe, a sixth water inlet branch pipe, a third water producing branch pipe, a concentrated water outlet pipe and a water producing main pipe, wherein one end of the first water inlet branch pipe is communicated with the main water inlet pipe, the other end of the first water inlet branch pipe is communicated with the first reverse osmosis module, one end of the second water inlet branch pipe is communicated with the first reverse osmosis module, the other end of the second water inlet branch pipe is communicated with the second reverse osmosis module, and one end of the first water producing branch pipe is communicated with the first reverse osmosis module, one end of the third water inlet branch pipe is communicated with the first reverse osmosis module, the other end of the third water inlet branch pipe is communicated with the fourth water inlet branch pipe, one end of the fourth water inlet branch pipe is communicated with the second reverse osmosis module, the other end of the fourth water inlet branch pipe is communicated with the third reverse osmosis module, one end of the second water producing branch pipe is communicated with the second reverse osmosis module, two ends of the fifth water inlet branch pipe are respectively communicated with the second water inlet branch pipe and the sixth water inlet branch pipe, one end of the sixth water inlet branch pipe is communicated with the main water inlet pipe, the other end of the sixth water inlet branch pipe is communicated with the third reverse osmosis module, one end of the third water-producing branch pipe is communicated with the third reverse osmosis module, one end of the concentrated water outlet pipe is communicated with the fourth water inlet branch pipe, the first water producing branch pipe, the second water producing branch pipe and the third water producing branch pipe are respectively communicated with the water producing main pipe.
The double-flow-direction reverse osmosis system further comprises a first valve and a second valve, the first valve is fixedly connected with the first water inlet branch pipe, and the second valve is fixedly connected with the second water inlet branch pipe.
The double-flow-direction reverse osmosis system further comprises a third valve and a fourth valve, the third valve is fixedly connected with the third water inlet branch pipe, and the fourth valve is fixedly connected with the fourth water inlet branch pipe.
The double-flow-direction reverse osmosis system further comprises a fifth valve and a sixth valve, the fifth valve is fixedly connected with the fifth water inlet branch pipe, and the sixth valve is fixedly connected with the sixth water inlet branch pipe.
The double-flow-direction reverse osmosis system further comprises a seventh valve, and the seventh valve is fixedly connected with the concentrated water outlet pipe.
The double-flow-direction reverse osmosis system further comprises a first monitoring instrument, a second monitoring instrument and a third monitoring instrument, the first monitoring instrument is fixedly connected with the first water producing branch pipe, the second monitoring instrument is fixedly connected with the second water producing branch pipe, and the third monitoring instrument is fixedly connected with the third water producing branch pipe.
The utility model discloses a double flow is to reverse osmosis system, through waiting to handle the raw water and get into from the high-pressure pump pressurization behind the cartridge filter main inlet tube, adjust different water yield through autonomic control system, partly raw water passes through first water inlet branch pipe and gets into first reverse osmosis module, and another part raw water passes through sixth water inlet branch pipe and gets into third reverse osmosis module, the product water of first reverse osmosis module gathers into through first product water branch pipe the product water main pipe, the dense water of first reverse osmosis module inserts third water inlet branch pipe, gets into second reverse osmosis module, the product water of second reverse osmosis module gathers into through second product water branch pipe the product water main pipe, the dense water of second reverse osmosis module inserts fifth water inlet branch pipe and the second water inlet branch pipe, adjusts different water yields through autonomic control system, one part of concentrated water enters the third reverse osmosis module through the fifth water inlet branch pipe, the other part of concentrated water enters the first reverse osmosis module through the second water inlet branch pipe, the produced water of the third reverse osmosis module is converged into the water producing main pipe through the third water producing branch pipe, the concentrated water of the third reverse osmosis module is connected into the concentrated water outlet pipe and the fourth water inlet branch pipe, different water quantities are adjusted through an autonomous control system, one part of concentrated water is discharged through the concentrated water outlet pipe, and the other part of concentrated water enters the second reverse osmosis module through the fourth water inlet branch pipe; wherein, first reverse osmosis module has set up the second produces the water branch pipe second reverse osmosis module has set up fourth branch pipe of intaking third reverse osmosis module has set up the sixth branch pipe of intaking will first reverse osmosis module second reverse osmosis module third reverse osmosis module has constituteed a closed loop formula system, is convenient for realize first reverse osmosis module second reverse osmosis module third reverse osmosis module goes out the water flow and the dynamic balance of pressure of intaking water. When the water flow and the water pressure of a single membrane element in the first reverse osmosis module, the second reverse osmosis module and the third reverse osmosis module can be relatively stable and balanced for a long time, the water yield, the desalination rate and the service life of the reverse osmosis membrane can be continuously improved, and the water yield and the desalination rate of the reverse osmosis membrane are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dual flow-to-reverse osmosis system of the present invention.
1-a main water inlet pipe, 2-a first water inlet branch pipe, 3-a first valve, 4-a first reverse osmosis module, 5-a first monitoring instrument, 6-a first water production branch pipe, 7-a second water production branch pipe, 8-a third water production branch pipe, 9-a water production main pipe, 10-a second monitoring instrument, 11-a third monitoring instrument, 12-a second reverse osmosis module and 13-a third reverse osmosis module, 14-sixth valve, 15-sixth water inlet branch pipe, 16-fourth water inlet branch pipe, 17-fourth valve, 18-second valve, 19-second water inlet branch pipe, 20-third valve, 21-third water inlet branch pipe, 22-fifth valve, 23-fifth water inlet branch pipe, 24-seventh valve and 25-concentrated water outlet pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a dual flow direction reverse osmosis system, which includes a main water inlet pipe 1, a first reverse osmosis module 4, a first water inlet branch pipe 2, a second water inlet branch pipe 19, a first water producing branch pipe 6, a second reverse osmosis module 12, a third water inlet branch pipe 21, a fourth water inlet branch pipe 16, a second water producing branch pipe 7, a third reverse osmosis module 13, a fifth water inlet branch pipe 23, a sixth water inlet branch pipe 15, a third water producing branch pipe 8, a concentrated water outlet pipe 25 and a water producing main pipe 9, wherein one end of the first water inlet branch pipe 2 is communicated with the main water inlet pipe 1, the other end of the first water inlet branch pipe 2 is communicated with the first reverse osmosis module 4, one end of the second water inlet branch pipe 19 is communicated with the first reverse osmosis module 4, the other end of the second water inlet branch pipe 19 is communicated with the second reverse osmosis module 12, one end of the first water producing branch pipe 6 is communicated with the first reverse osmosis module 4, one end of the third water inlet branch pipe 21 is communicated with the first reverse osmosis module 4, the other end of the third water inlet branch pipe 21 is communicated with the fourth water inlet branch pipe 16, one end of the fourth water inlet branch pipe 16 is communicated with the second reverse osmosis module 12, the other end of the fourth water inlet branch pipe 16 is communicated with the third reverse osmosis module 13, one end of the second water producing branch pipe 7 is communicated with the second reverse osmosis module 12, both ends of the fifth water inlet branch pipe 23 are respectively communicated with the second water inlet branch pipe 19 and the sixth water inlet branch pipe 15, one end of the sixth water inlet branch pipe 15 is communicated with the main water inlet pipe 1, the other end of the sixth water inlet branch pipe 15 is communicated with the third reverse osmosis module 13, one end of the third water producing branch pipe 8 is communicated with the third reverse osmosis module 13, one end of the concentrated water outlet pipe 25 is communicated with the fourth water inlet branch pipe 16, the first water producing branch pipe 6, the second water producing branch pipe 7 and the third water producing branch pipe 8 are respectively communicated with the main water producing pipe 9.
In this embodiment, raw water to be treated enters the main water inlet pipe 1 through a cartridge filter under pressure from a high pressure pump, different water amounts are adjusted by an autonomous control system, a part of raw water enters the first reverse osmosis module 4 through the first water inlet branch pipe 2, the other part of raw water enters the third reverse osmosis module 13 through the sixth water inlet branch pipe 15, the produced water of the first reverse osmosis module 4 is gathered into the produced water main pipe 9 through the first produced water branch pipe 6, the concentrated water of the first reverse osmosis module 4 is gathered into the third water inlet branch pipe 21 and enters the second reverse osmosis module 12, the produced water of the second reverse osmosis module 12 is gathered into the produced water main pipe 9 through the second produced water branch pipe 7, the concentrated water of the second reverse osmosis module 12 is gathered into the fifth water inlet branch pipe 23 and the second water inlet branch pipe 19, different water amounts are adjusted by the autonomous control system, one part of the concentrated water enters the third reverse osmosis module 13 through the fifth water inlet branch pipe 23, the other part of the concentrated water enters the first reverse osmosis module 4 through the second water inlet branch pipe 19, the produced water of the third reverse osmosis module 13 is converged into the water producing main pipe 9 through the third water producing branch pipe 8, the concentrated water of the third reverse osmosis module 13 is connected into the concentrated water outlet pipe 25 and the fourth water inlet branch pipe 16, different water amounts are adjusted through an autonomous control system, one part of the concentrated water is discharged through the concentrated water outlet pipe 25, and the other part of the concentrated water enters the second reverse osmosis module 12 through the fourth water inlet branch pipe 16; wherein, first reverse osmosis module 4 has set up second product water branch pipe 7 second reverse osmosis module 12 has set up fourth water branch pipe 16, third reverse osmosis module 13 has set up sixth water branch pipe 15, will first reverse osmosis module 4 second reverse osmosis module 12 third reverse osmosis module 13 has constituteed a closed loop type system, is convenient for realize first reverse osmosis module 4 second reverse osmosis module 12 third reverse osmosis module 13 goes out the dynamic balance of water flow and the water pressure of intaking. When the water flow and the water pressure of the single membrane element in the first reverse osmosis module 4, the second reverse osmosis module 12 and the third reverse osmosis module 13 can be relatively stable and balanced for a long time, the water yield, the salt rejection and the service life of the reverse osmosis membrane can be continuously improved, and the water yield and the salt rejection of the reverse osmosis membrane can be improved.
Further, the double-flow-direction reverse osmosis system further comprises a first valve 3 and a second valve 18, the first valve 3 is fixedly connected with the first water inlet branch pipe 2, and the second valve 18 is fixedly connected with the second water inlet branch pipe 19.
Further, the dual-flow-direction reverse osmosis system further comprises a third valve 20 and a fourth valve 17, the third valve 20 is fixedly connected with the third branch water inlet pipe 21, and the fourth valve 17 is fixedly connected with the fourth branch water inlet pipe 16.
Further, the dual-flow-direction reverse osmosis system further comprises a fifth valve 22 and a sixth valve 14, the fifth valve 22 is fixedly connected with the fifth branch water inlet pipe 23, and the sixth valve 14 is fixedly connected with the sixth branch water inlet pipe 15.
Further, the double-flow-direction reverse osmosis system further comprises a seventh valve 24, and the seventh valve 24 is fixedly connected with the concentrated water outlet pipe 25.
Further, the double-flow-direction reverse osmosis system further comprises a first monitoring instrument 5, a second monitoring instrument 10 and a third monitoring instrument 11, the first monitoring instrument 5 is fixedly connected with the first water producing branch pipe 6, the second monitoring instrument 10 is fixedly connected with the second water producing branch pipe 7, and the third monitoring instrument 11 is fixedly connected with the third water producing branch pipe 8.
In this embodiment, in the first reverse osmosis module 4, the first valve 3 and the second valve 18 respectively include an online pressure gauge and an electrically operated valve, the first monitoring instrument 5 includes an online flow meter and a temperature difference change meter, and according to a debugging situation of an operation practice, an opening relationship between the first valve 3 and the second valve 18 is established by feedback to the first monitoring instrument 5, so that the first water inlet branch pipe 2 with low concentration and high water amount and the second water inlet branch pipe 19 with high concentration and low water amount are subjected to water amount and water quality equalization; in the first reverse osmosis module 4, the third valve 20 and the fourth valve 17 respectively include an online pressure gauge and an electrically operated valve, the second monitoring instrument 10 includes an online flow meter and a temperature difference change meter, and according to the actual debugging condition of operation, the opening relationship between the third valve 20 and the fourth valve 17 is established through the feedback of the second monitoring instrument 10, so that the third water inlet branch pipe 21 with low concentration and high water volume and the fourth water inlet branch pipe 16 with high concentration and low water volume are subjected to water volume and water quality equalization; in the third reverse osmosis module 13, the fifth valve 22 and the sixth valve 14 respectively include an online pressure gauge and an electrically operated valve, the third monitoring instrument 11 includes an online flow meter and a temperature difference change meter, and according to the actual debugging situation of operation, the opening relationship between the fifth valve 22 and the sixth valve 14 is established through the feedback of the third monitoring instrument 11, so that the fifth water inlet branch pipe 23 with low concentration and high water volume and the sixth water inlet branch pipe 15 with high concentration and low water volume are subjected to water volume and water quality equalization; the third monitoring instrument 11 is installed on the third water production branch pipe 8, the seventh valve 24 is installed on the concentrated water outlet pipe 25, and the opening relation of the seventh valve 24 is established through feedback of the third monitoring instrument 11 according to the actual debugging situation of operation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. A dual flow reverse osmosis system characterized by,
the double-flow-direction reverse osmosis system comprises a main water inlet pipe, a first reverse osmosis module, a first water inlet branch pipe, a second water inlet branch pipe, a first water producing branch pipe, a second reverse osmosis module, a third water inlet branch pipe, a fourth water inlet branch pipe, a second water producing branch pipe, a third reverse osmosis module, a fifth water inlet branch pipe, a sixth water inlet branch pipe, a third water producing branch pipe, a concentrated water outlet pipe and a water producing main pipe, wherein one end of the first water inlet branch pipe is communicated with the main water inlet pipe, the other end of the first water inlet branch pipe is communicated with the first reverse osmosis module, one end of the second water inlet branch pipe is communicated with the first reverse osmosis module, the other end of the second water inlet branch pipe is communicated with the second reverse osmosis module, one end of the first water producing branch pipe is communicated with the first reverse osmosis module, one end of the third water inlet branch pipe is communicated with the first reverse osmosis module, and the other end of the third water inlet branch pipe is communicated with the fourth water inlet branch pipe, the one end of fourth inlet branch pipe with second reverse osmosis module intercommunication, the other end of fourth inlet branch pipe with third reverse osmosis module intercommunication, the one end of second product water branch pipe with second reverse osmosis module intercommunication, the both ends of fifth inlet branch pipe respectively with second inlet branch pipe with sixth inlet branch pipe intercommunication, the one end of sixth inlet branch pipe with main inlet tube intercommunication, the other end of sixth inlet branch pipe with third reverse osmosis module intercommunication, the one end of third product water branch pipe with third reverse osmosis module intercommunication, the one end of dense water outlet pipe with fourth inlet branch pipe intercommunication, first product water branch pipe the second product water branch pipe with third product water branch pipe respectively with product water main pipe intercommunication.
2. The dual flow reverse osmosis system of claim 1,
the double-flow-direction reverse osmosis system further comprises a first valve and a second valve, the first valve is fixedly connected with the first water inlet branch pipe, and the second valve is fixedly connected with the second water inlet branch pipe.
3. The dual flow reverse osmosis system of claim 1,
the double-flow-direction reverse osmosis system further comprises a third valve and a fourth valve, the third valve is fixedly connected with the third water inlet branch pipe, and the fourth valve is fixedly connected with the fourth water inlet branch pipe.
4. The dual flow reverse osmosis system of claim 1,
the double-flow-direction reverse osmosis system further comprises a fifth valve and a sixth valve, the fifth valve is fixedly connected with the fifth water inlet branch pipe, and the sixth valve is fixedly connected with the sixth water inlet branch pipe.
5. The dual flow reverse osmosis system of claim 1,
the double-flow-direction reverse osmosis system also comprises a seventh valve, and the seventh valve is fixedly connected with the concentrated water outlet pipe.
6. The dual flow reverse osmosis system of claim 1,
the double-flow-direction reverse osmosis system further comprises a first monitoring instrument, a second monitoring instrument and a third monitoring instrument, the first monitoring instrument is fixedly connected with the first water producing branch pipe, the second monitoring instrument is fixedly connected with the second water producing branch pipe, and the third monitoring instrument is fixedly connected with the third water producing branch pipe.
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| CN202121290097.6U CN215288224U (en) | 2021-06-09 | 2021-06-09 | Double-flow-direction reverse osmosis system |
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| CN202121290097.6U CN215288224U (en) | 2021-06-09 | 2021-06-09 | Double-flow-direction reverse osmosis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118125673A (en) * | 2024-05-07 | 2024-06-04 | 山东中大环境科技有限公司 | Membrane method production water treatment system for injection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118125673A (en) * | 2024-05-07 | 2024-06-04 | 山东中大环境科技有限公司 | Membrane method production water treatment system for injection |
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